群！ vs TrustDevice
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
群！
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TrustDevice
A social networking application designed for security circle developers. It offers a platform for collaboration and sharing within the development community.
- Social networking for developers
- Focus on security circles
- Collaboration platform
- Community sharing
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A social app that security circle developers love to use
Screenshots
Verdict
The clearest difference is update cadence: 群！ at every 5 days against TrustDevice's fortnightly. TrustDevice's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
群！ ships an update every 5 days, TrustDevice fortnightly. The most recent releases landed on November 11, 2026 and November 13, 2026 respectively.
| Parameter | 群！ | TrustDevice |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 32 MB |
| Age rating | 17+ | 4+ |
| Developer | 晓 梁 | 杭州博盾习言科技有限公司 |
In-app purchases
群！
No in-app purchases
TrustDevice
No in-app purchases
